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 Indian J Med Microbiol  
 

Figure 5 (A-D): Brain stem glioma, post-radiotherapy. Axial T1W MRI images (A,B) show the glioma as a hypointense lesion (white arrow in A) that does not enhance on contrast administration with another hypointense lesion (black arrow in B) in the left middle cerebellar peduncle, which shows intense enhancement (black arrow) on a contrast-enhanced T1W axial MRI image (C). Axial fused 11C methionine PET/CT image (D) shows tracer uptake in the former, suggestive of an active lesion, with absent uptake in the latter due to post-radiotherapy changes

Figure 5 (A-D): Brain stem glioma, post-radiotherapy. Axial T1W MRI images (A,B) show the glioma as a hypointense lesion (white arrow in A) that does not enhance on contrast administration with another hypointense lesion (black arrow in B) in the left middle cerebellar peduncle, which shows intense enhancement (black arrow) on a contrast-enhanced T1W axial MRI image (C). Axial fused 11C methionine PET/CT image (D) shows tracer uptake in the former, suggestive of an active lesion, with absent uptake in the latter due to post-radiotherapy changes